/**
 * Copyright 2010 Paulo Alem 
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package flatfile.util;

/**
 * 
 * @author paulo
 */
public class StringUtil {

	/**
	 * Capitalizes first char of a String
	 * 
	 * @param str
	 *            a string to be
	 * @return "str" -> "Str"
	 */
	public static String ucFirst(String str) {
		if (str == null) {
			throw new NullPointerException("str");
		}
		char first = str.charAt(0);
		return Character.toUpperCase(first) + str.substring(1);
	}
}